Newtek Business Services Corp. board member Sam Kirschner resigned from his position, effective immediately.

The company's board appointed Gregory Zink, effective the same date, to serve the remainder of Kirschner's term. Zink will remain in the position until the 2019 annual shareholders meeting, when he will be up for election to a three-year term.

Zink is chairman and CEO of NGJ Brand Solutions and managing partner of the Lowell Group LLC.